fictitious place vs imaginary place

fictitious place and imaginary place both are nouns.

Word	Noun	Adjective	Verb	Adverb
fictitious place	Yes	No	No	No
imaginary place	Yes	No	No	No

As nouns, fictitious place and imaginary place are synonyms defined as:

fictitious place and imaginary place: a place that exists only in imagination; a place said to exist in fictional or religious writings

Other synonyms of fictitious place include mythical place.

fictitious place (noun)	imaginary place (noun)
a place that exists only in imagination; a place said to exist in fictional or religious writings	a place that exists only in imagination; a place said to exist in fictional or religious writings